import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

/* Layout */
import Layout from '@/layout'

/* Router Modules */
import componentsRouter from './modules/components'
// import tableRouter from './modules/table'
// import nestedRouter from './modules/nested'

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * // 当设置 true 的时候该路由不会在侧边栏出现 如401，login等页面，或者如一些编辑页面/edit/1
 * hidden: true
 *
 *
  // 当你一个路由下面的 children 声明的路由大于1个时，自动会变成嵌套的模式--如组件页面
  // 只有一个时，会将那个子路由当做根路由显示在侧边栏--如引导页面
  // 若你想不管路由下面的 children 声明的个数都显示你的根路由
  // 你可以设置 alwaysShow: true，这样它就会忽略之前定义的规则，一直显示根路由
 * alwaysShow: true
 *
 *
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 *
 * // 设定路由的名字，一定要填写不然使用<keep-alive>时会出现各种问题
 * name:'router-name'
 * meta : {
 *
 *  // 设置该路由的图标，支持 svg-class，也支持 el-icon-x element-ui 的 icon
    roles: ['admin','editor']

    // 设置该路由的图标，支持 svg-class，也支持 el-icon-x element-ui 的 icon
    title: 'title'

    // 设置该路由的图标，支持 svg-class，也支持 el-icon-x element-ui 的 icon
    icon: 'svg-name'/'el-icon-x'

    // 设置该路由的图标，支持 svg-class，也支持 el-icon-x element-ui 的 icon
    noCache: true

    // 若果设置为true，它则会固定在tags-view中(默认 false)
    affix: true

    //  如果设置为false，则不会在breadcrumb面包屑中显示(默认 true)
    breadcrumb: false

    // 当路由设置了该属性，则会高亮相对应的侧边栏。
    // 这在某些场景非常有用，比如：一个文章的列表页路由为：/article/list
    // 点击文章进入文章详情页，这时候路由为/article/1，但你想在侧边栏高亮文章列表的路由，就可以进行如下设置
    activeMenu: '/example/list'
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
export const constantRoutes = [
  {
    path: '/redirect',
    component: Layout,
    hidden: true,
    children: [
      {
        path: '/redirect/:path(.*)',
        component: () => import('@/views/redirect/index')
      }
    ]
  },
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true
  },
  {
    path: '/auth-redirect',
    component: () => import('@/views/login/auth-redirect'),
    hidden: true
  },
  {
    path: '/404',
    component: () => import('@/views/error-page/404'),
    hidden: true
  },
  {
    path: '/401',
    component: () => import('@/views/error-page/401'),
    hidden: true
  },
  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    children: [
      {
        path: 'dashboard',
        component: () => import('@/views/dashboard/index'),
        name: 'Dashboard',
        meta: { title: 'Dashboard', icon: 'dashboard', affix: true }
      }
    ]
  },
  {
    path: '/profile',
    component: Layout,
    redirect: '/profile/index',
    hidden: true,
    children: [
      {
        path: 'index',
        component: () => import('@/views/profile/index'),
        name: 'Profile',
        meta: { title: 'Profile', icon: 'user', noCache: true }
      }
    ]
  }
]

/**
 * asyncRoutes
 * the routes that need to be dynamically loaded based on user roles
 */
export const asyncRoutes = [
  // {
  //   path: '/icon',
  //   component: Layout,
  //   children: [
  //     {
  //       path: 'index',
  //       component: () => import('@/views/icons/index'),
  //       name: 'Icons',
  //       meta: { title: 'Icons', icon: 'icon', noCache: true }
  //     }
  //   ]
  // },

  /** when your routing map is too long, you can split it into small modules **/
  // tableRouter,
  {
    path: '/nested',
    component: Layout,
    redirect: '/nested',
    name: 'Nested',
    meta: {
      title: '挂载点管理',
      icon: 'nested'
    },
    children: [
      {
        path: 'menu2',
        name: 'Menu2',
        component: () => import('@/views/nested/index'),
        meta: { title: '挂载点概览' }
      }
    ]
  },
  componentsRouter,
  {
    path: '/excel',
    component: Layout,
    redirect: '/excel/export-excel',
    name: 'Excel',
    meta: {
      title: 'Excel',
      icon: 'excel'
    },
    children: [
      {
        path: 'export-excel',
        component: () => import('@/views/excel/export-excel'),
        name: 'ExportExcel',
        meta: { title: 'Export Excel' }
      },
      {
        path: 'export-selected-excel',
        component: () => import('@/views/excel/select-excel'),
        name: 'SelectExcel',
        meta: { title: 'Export Selected' }
      },
      {
        path: 'export-merge-header',
        component: () => import('@/views/excel/merge-header'),
        name: 'MergeHeader',
        meta: { title: 'Merge Header' }
      },
      {
        path: 'upload-excel',
        component: () => import('@/views/excel/upload-excel'),
        name: 'UploadExcel',
        meta: { title: 'Upload Excel' }
      }
    ]
  },

  // 404页面必须放在最后
  { path: '*', redirect: '/404', hidden: true }
]

const createRouter = () => new Router({
  // mode: 'history', // require service support
  scrollBehavior: () => ({ y: 0 }),
  routes: constantRoutes
})

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
